Floor register grille



FIG. 1 is a top perspective view of the floor register grille showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevation view thereof, the rear elevation view being identical;

FIG. 4 is a side elevation view thereof, both sides being identical;

FIG. 5 is a top perspective view of a second embodiment of the floor register grille;

FIG. 6 is a top plan view thereof;

FIG. 7 is a front elevation view thereof, the rear elevation view being identical; and,

FIG. 8 is a side elevation view thereof, both sides being identical. 

CLAIM The ornamental design for a floor register grille, as shown and described. 